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  1. #include <stdio.h>
  2.  
  3. unsigned long long arr[100] = {0, 1, 1};
  4. int n;
  5.  
  6. unsigned long long fibo(n) 
  7. {
  8.     for(int i = 3; i <= n; i++)
  9.     {
  10.         arr[i] = arr[i - 1] + arr[i - 2];
  11.     }
  12.         return arr[n]; //= fibo(n - 1) + fibo(n - 2);
  13. }
  14.  
  15. int main(void) {
  16.     scanf("%d", &n);
  17.     printf("%lld", fibo(n));
  18. }
Success #stdin #stdout 0s 5548KB
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https://ideone.com/djnm8W
language:
C (gcc 8.3)
created:
3 years ago
visibility:
public

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